"etierra" <etie***@discussions.microsoft.com> wrote in message
news:9C2922CE-B9AC-47C2-A890-9866814D6A09@microsoft.com...
> Hi,
>
> I'm developing an ASP.net 2.0 application that use Forms Authentication. I'm
> using the login control that came with V.S. 2005. I configured my
> web.config
> to use Active Directory Membership/Authentication.  Everything works fine.
> I
> can login using the correct username and password, and if you login with
> incorrect user name, it displays a message saying "Your login attempt was
> not
> successful. Please try again" which is expected.
> But the problem is, if I login with correct username but incorrect
> password,
> the application throws an exception (please see the server error message
> below). I can't find the solution to fix this problem, or at least be able
> to
> catch the exception so that I can display a friendly and helpful message
> to
> the user. I have tried everything, spent long nights finding the answer
> but
> can't seem to make this work. Any ideas or thoughts would be much
> appreciated
> Thanks in advance.
> Edwin Tierra
> This is the content of  web.config that is related to security/login:
> <connectionStrings>
> <add name="ADConnectionString"
> connectionString=LDAP://ads-server.mydomain.net/DC=mydomain,DC=net />
> <add name="MyASPNETDBConnectionString" connectionString="Data
> Source=myDBServer;Initial Catalog=ASPNETDB;Integrated Security=True"
> providerName="System.Data.SqlClient"/>
> </connectionStrings>
> <authorization>
> <allow roles="sysadmin" />
> <allow roles="projadmin" />
> <allow roles="managers" />
> <deny users="?" />
> </authorization>
> <authentication mode="Forms">
> <forms name=".ADAuthCookie" defaultUrl="default.aspx" timeout="30"
> domain="" />
> </authentication>
> <roleManager enabled="true" defaultProvider="CustomizedRoleProvider"
> cookieTimeout="30" cookieSlidingExpiration="true">
> <providers>
> <add connectionStringName="MyASPNETDBConnectionString"
> name="CustomizedRoleProvider"
> type="System.Web.Security.SqlRoleProvider"
> applicationName="/PMS.Net"/>
> </providers>
> </roleManager>
> <membership defaultProvider="MyADMembershipProvider">
> <providers>
> <add connectionStringName="ADConnectionString"
> applicationName="/PMS.Net"
> connectionUsername="mydomain\administrator"
> connectionPassword="password"
> attributeMapUsername="sAMAccountName"
> enableSearchMethods="true"
> name="MyADMembershipProvider"
> type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web,
> Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
> </providers>
> </membership>
>
>
> This is the error message that I get when the application crashes:
> Server Error in '/' Application.
>
> A local error occurred.
> Description: An unhandled exception occurred during the execution of the
> current web request. Please review the stack trace for more information
> about
> the error and where it originated in the code.
>
> Exception Details: System.DirectoryServices.Protocols.LdapException: A
> local
> error occurred.
>
> Source Error:
>
> An unhandled exception was generated during the execution of the current
> web
> request. Information regarding the origin and location of the exception
> can
> be identified using the exception stack trace below.
>
> Stack Trace:
>
> [LdapException: A local error occurred.]
> System.DirectoryServices.Protocols.LdapConnection.BindHelper(NetworkCredential
> newCredential, Boolean needSetCredential) +990
> System.DirectoryServices.Protocols.LdapConnection.Bind(NetworkCredential
> newCredential) +6
> System.Web.Security.ActiveDirectoryMembershipProvider.ValidateCredentials(String
> username, String password) +221
> System.Web.Security.ActiveDirectoryMembershipProvider.ValidateUserCore(String
> username, String password) +1180
> System.Web.Security.ActiveDirectoryMembershipProvider.ValidateUser(String
> username, String password) +15
> System.Web.UI.WebControls.Login.OnAuthenticate(AuthenticateEventArgs e)
> +160
> System.Web.UI.WebControls.Login.AttemptLogin() +105
> System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e)
> +99
>  System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35
> System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +115
> System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument)
> +163
> System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String
> eventArgument) +7
> System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl,
> String eventArgument) +11
> System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
> System.Web.UI.Page.ProcessRequestMain(Boolean
> includeStagesBeforeAsyncPoint,
> Boolean includeStagesAfterAsyncPoint) +5102
>
>
> Version Information: Microsoft .NET Framework Version:2.0.50727.42;
> ASP.NET
> Version:2.0.50727.42
>